/*
**************************************************************************************
*Myriad Engine                                                                       *
*Copyright (C) 2006-2007, 5d Studios (www.5d-Studios.com)                            *
*                                                                                    *
*This library is free software; you can redistribute it and/or                       *
*modify it under the terms of the GNU Lesser General Public                          *
*License as published by the Free Software Foundation; either                        *
*version 2.1 of the License, or (at your option) any later version.                  *
*                                                                                    *
*This library is distributed in the hope that it will be useful,                     *
*but WITHOUT ANY WARRANTY; without even the implied warranty of                      *
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU                   *
*Lesser General Public License for more details.                                     *
*                                                                                    *
*You should have received a copy of the GNU Lesser General Public                    *
*License along with this library; if not, write to the Free Software                 *
*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA      *
**************************************************************************************
*/
package leola.ast;

/**
 * A Binary expression.
 * 
 * @author Tony
 *
 */
public class BinaryExpr extends Expr {
	 
	/**
	 * Binary operator
	 * 
	 * @author Tony
	 *
	 */
	public enum BinaryOp {
		  ADD
		, SUB
		, MUL
		, DIV
		, MOD
		
		, BIT_SHIFT_LEFT
		, BIT_SHIFT_RIGHT
		
		, OR
		, AND
		, EQ
		, LT
		, LTE
		, GT
		, GTE
		, NEQ
		
		, BIT_AND
		, BIT_OR
		, BIT_XOR			
		, BIT_NOT
		
	}
	
	/**
	 * Expressions
	 */
	private Expr left, right;
	
	private BinaryOp op;
	
	/**
	 * @param left
	 * @param right
	 */
	public BinaryExpr(Expr left, Expr right, BinaryOp op) {
		this.left = left;
		this.right = right;
		this.op =op;
	}
	

	/**
	 * @return the left
	 */
	public Expr getLeft() {
		return left;
	}
	
	/**
	 * @return the right
	 */
	public Expr getRight() {
		return right;
	}

	/**
	 * @return the op
	 */
	public BinaryOp getOp() {
		return op;
	}

	/* (non-Javadoc)
	 * @see leola.ast.ASTNode#visit(leola.ast.ASTNodeVisitor)
	 */
	@Override
	public void visit(ASTNodeVisitor v) throws Exception {
		v.visit(this);  
	}

}
